Calculate the standard heat of reaction (AHº) for the formation of carbon dioxide according to the following equation.
2C0 (+02(g)→ 2CO2(g)
Heats of Formation:
AHCO(g) = -110.5 kJ/mol
AHt, O2(g) = 0 kJ/mol (free element)
AHt, C02(g) = -393.5 kJ/mol
-566 kJ
-504 kJ
-283 kJ
-787 kJ

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.

Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?